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Hydroelectric Power Plants by Ana Bugallo and Julia Martínez

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Ana Bugallo & Julia Martínez, 3ºA.

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- INDEX:1. Explanation of this energy.2. How these power plants work.3. Advantages and disadvantages.4. Hydroelectric power plants in Galicia and Spain.5. Hydroelectric power plants in Europe and the world.6. Conclusions.7. Bibliography.

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1. Explanation of this energy. This energy is obtained from the fall of the water from a height to a level below which causes the movement of hydraulic or turbine wheels.

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1. Explanation of this energy. Hydropower harnesses the power of moving water.

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2. Working of this power plant.• This kind of power plant collects water in a dam.• When we open the doors of the dam, the water falls and this movement produces energy.

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2. Working of this power plant. When the water enters  The transformer turns the power station, it the force of the water moves the turbine. into electric energy.

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3. Advantages and disadvantages.ADVANTAGES. 1. It’s a renewable energy, so it’s good for the environment. 2. It decreases the effect of greenhouse gases. 3. It controls the risk of floods. 4. Doesn’t produce carbon dioxide.

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Galician hydroelectric PowerPlantsThere are:- 22 in Ourense- 7 in A Coruña- 6 in Lugo-3 in PontevedraA total of 38hydroelectricpower plants

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San Sebastián II hydroelectricpower plant. It’s the biggest hydroelectric power plant in Galicia. It’s on the Sil river. It has got a power of 440 MW.

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Spanish hydroelectric power plants This is the evolution of theinstalled power in Spain.

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Spanish Hydroelectric Power Plants This map shows the power plants larger than 20 MW. The letters indicate the names of the 10 plants which are larger than 300 MW.

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5. Hydroelectric power plants inEurope and the world.The Europeans are the second largest consumers in the world.

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6. Conclusions. We think these power plants are a good idea because, recently, they have built mini hydro plants, more respectful with the environment and beneficial for technological progress, achieving a good performance and a reasonable economic viability.